a 4 kg ball is 2 cm away from one 1 kg ball and 6 cm away from another 1 kg ball. Use the relationships among the balls to describe two factors that affect gravity. also explain why the balls do not move toward each other unless acted upon by an outside force.

The areas with the highest population density in europe are most likely to be

Which legal case forced the university of maryland to admit an african american student to its law school?

Part b forty-year-old kyle wants to start investing for retirement. he wants to select a personal investment plan that will allow him to withdraw funds without paying penalties and taxes once he turns 59.5. which retirement plan should he choose? a. traditional ira b. roth ira c. 401(k)